The MemoStem MCP server,
connected in one click.
Your reviewed knowledge, across AI conversations. Connect the official MemoStem MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Add MemoStem to your AI in one minute
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http memostem https://www.memostem.com/api/mcpRun in your terminal, then restart Claude Code.
MemoStem · https://www.memostem.com/api/mcp
What your AI can do with MemoStem
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “start_memostem”: Start MemoStem when no topic is named. Show a localized welcome App before login, or the connected owner's topic labels and empty-state guid.”
“Use “connect_memostem”: Connect or grant knowledge read permission through the host OAuth flow, then show a page of the authenticated owner's topic labels. Never cr.”
“Use “validate_knowledge_bundle”: Validate exactly one user-selected, independently teachable general-knowledge bundle without an account and without saving it. Call only at.”
“Use “save_guest_knowledge_bundles”: Store one to 10 specifically selected, independently teachable general-knowledge bundles from the current conversation in a private temporar.”
How secure is the MemoStem MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how MemoStem holds up.
Security grade C
gate scanned 10 tools on Oct 10, 2026. A few things are worth a look before you connect.
- mediumsave_guest_knowledge_bundles: References secrets or data exfiltration
- lowvalidate_knowledge_bundle: Unusually long tool description
- lowpreview_knowledge_bundle: Unusually long tool description
- +2 more in the full report
Official endpoint
Operated by MemoStem (memostem.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If MemoStem adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick MemoStem
Choose MemoStem in the gate directory. No sign-in needed.
Use it anywhere
MemoStem's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools MemoStem exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
start_memostem — Start MemoStem when no topic is named. Show a localized welcome App before login, or the connected owner's topic labels and empty-state guid
connect_memostem — Connect or grant knowledge read permission through the host OAuth flow, then show a page of the authenticated owner's topic labels. Never cr
validate_knowledge_bundle — Validate exactly one user-selected, independently teachable general-knowledge bundle without an account and without saving it. Call only at
save_guest_knowledge_bundles — Store one to 10 specifically selected, independently teachable general-knowledge bundles from the current conversation in a private temporar
refresh_guest_knowledge_shelf_link — Issue a new short-lived, one-time mobile or desktop web link for the existing guest shelf. Use only when the person asks to open or recover
claim_guest_knowledge_workspace — Transfer the temporary guest shelf identified by workspace_token to the authenticated MemoStem owner as private pending drafts. Call only af
preview_knowledge_bundle — Return a transient preview of exactly one user-selected, independently teachable general-knowledge bundle without an account and without sav
check_memostem_connection — Verify the authenticated MemoStem connection and report only the currently granted knowledge permissions. This test does not read or write k
+ 2 more tools once connected
Who runs the MemoStem MCP server?
The MemoStem MCP server at a glance
https://www.memostem.com/api/mcpQuestions, answered
Is there an official MemoStem MCP server?
Yes — MemoStem operates its own remote MCP server at www.memostem.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect MemoStem to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick MemoStem in the directory. No account or sign-in is needed. From then on, MemoStem's tools are available in every client you've connected to gate.
Do I need to host anything?
No. MemoStem runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the MemoStem MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect MemoStem in minutes. No credit card required.
Connect more than just MemoStem
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up MemoStem in: Claude · Claude Code · ChatGPT · Cursor · VS Code